The army of those who have made at least one definite contribution to mathematics as we know it soon becomes a mob as we look back over history; 6,000 or 8,000 names press forward for some word from us to preserve them from oblivion, and once the bolder leaders have been recognised it becomes largely a matter of arbitrary, illogical legislation to judge who of the clamouring multitude shall be permitted to survive and who be condemned to be forgotten.[1]

Nagayoshi Iwahori

John Jackson

American $19$th century mathematician who described himself as a "Private Teacher of the Mathematics".

Known now only for his $1821$ book Rational Amusement for Winter Evenings; Or, a Collection of Above 200 Curious and Interesting Puzzles and Paradoxes relating to Arithmetic, Geometry, Geography &c. With Their Solution, And Four Plates. Designed chiefly for Young Persons.show full page